If you look at Ings' numbers, he actually puts in as much or more work than Ollie! He's not as strong aerially or likely to push defenders around, though.
https://fbref.com/en/players/aed3a70f/scout/365_euro/Ollie-Watkins-Scouting-Report
https://fbref.com/en/players/07802f7f/scout/365_euro/Danny-Ings-Scouting-Report